The following table summarizes different GitHub metrics to give you an idea of each project's popularity and activity levels. This data was collected in May 2026. | Provider | Project | Stars | Forks | Contributors | | ---- | ---- | ---- | ---- | ---- | | Canal | https://github.com/projectcalico/canal | 721 | 96 | 20 | | Flannel | https://github.com/flannel-io/flannel | 9.5k | 2.9k | 249 | | Calico | https://github.com/projectcalico/calico | 7.3k | 1.6k | 416 | | Weave | https://github.com/weaveworks/weave | 6.6k | 676 | 82 | | Cilium | https://github.com/cilium/cilium | 24.6k | 3.8k | 1108 |